ADP2503/ADP2504

Data Sheet

Rev. D | Page 2 of 16

TABLE OF CONTENTS

Features .............................................................................................. 1

 

Applications....................................................................................... 1

 

General Description ......................................................................... 1

 

Typical Application Circuit ............................................................. 1

 

Revision History ............................................................................... 2

 

Specifications..................................................................................... 3

 

Absolute Maximum Ratings............................................................ 4

 

Thermal Data ................................................................................ 4

 

Thermal Resistance ...................................................................... 4

 

ESD Caution.................................................................................. 4

 

Pin Configuration and Function Descriptions............................. 5

 

Typical Performance Characteristics ............................................. 6

 

Theory of Operation ...................................................................... 11

 

Power Save Mode........................................................................ 11

 

Soft Start ...................................................................................... 11

 

SYNC Function........................................................................... 11

 

Enable........................................................................................... 11

 

Undervoltage Lockout ............................................................... 12

 

Thermal Shutdown .................................................................... 12

 

Short-Circuit Protection............................................................ 12

 

Reverse Current Limit ............................................................... 12

 

Applications Information .............................................................. 13

 

ADIsimPower Design Tool ....................................................... 13

 

Inductor Selection ...................................................................... 13

 

Output Voltage Programming .................................................. 14

 

PCB Layout Guidelines.................................................................. 15

 

Outline Dimensions ....................................................................... 16

 

Ordering Guide .......................................................................... 16

 

REVISION HISTORY

10/15—Rev. C to Rev. D

Changes to Figure 3 and Figure 4................................................... 6

Changes to Figure 15, Figure 16, and Figure 17 ........................... 8

Changes to Figure 22 and Figure 23............................................... 9

8/13—Rev. B to Rev. C

Change to Features Section ............................................................. 1

Added ADIsimPower Design Tool Section................................. 13

Updated Outline Dimensions ....................................................... 16

Changes to Ordering Guide .......................................................... 16

6/10—Rev. A to Rev. B

Changes to Ordering Guide .......................................................... 16

8/09—Rev. 0 to Rev. A

Changes to Features Section, Figure 1, and General Description

Section.................................................................................................1

Changes to Feedback Voltage Parameter and EN, SYNC

Leakage Current Parameter, Table 1 ...............................................3

Changes to Table 2 and Thermal Resistance Section ...................4

Added Thermal Data Section ..........................................................4

Changes to Figure 2 and Table 4......................................................5

Changes to Figure 12.........................................................................7

Changes to Figure 17.........................................................................8

Changes to SYNC Function Section ............................................ 11

Changes to Undervoltage Lockout Section................................. 12

Changes to Table 6.......................................................................... 13

Added Output Voltage Programming Section ........................... 14

Added Figure 30; Renumbered Sequentially .............................. 14

Changes to Ordering Guide .......................................................... 16

10/08—Revision 0: Initial Version